hairline /'heәlain/ 📖 中文释义 n. 发际线, 细缝, 细微的区别[机] 细标线 🧩 词形变化 复数 hairlines 📘 English Definition(英文释义) n. a very thin linen. the natural margin formed by hair on the head ← hairlike H 字母词表 hairline fracture →